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The CUET Biology Syllabus 2025 has officially been released by the National Testing Agency(NTA) on their website. The Common University Entrance Test (CUET) UG 2025 for Biology is expected to be conducted from May 8, 2025, to June 1, 2025, in Computer-Based Test (CBT) mode.
- Exam Pattern: The Biology exam will have 50 multiple-choice questions (MCQs) of which 40 questions should be attempted by the candidates. For every right answer, the candidate gets a score of 5 marks whereas 1 mark is deducted as a penalty for every wrong answer.
- Syllabus Coverage: The syllabus covers topics of the NCERT Class 12 Biology syllabus, such as units like Reproduction, Genetics and Evolution, Biology and Human Welfare, Biotechnology and Its Applications, and Ecology and Environment.
“The CUET Biology Exam 2024 had an extremely competitive pattern, where 600-700 students had attained a 100 percentile. The maximum mark recorded was 200/200, which proves how tough the examination was.”
CUET UG 2025 Biology Exam Pattern
The CUET UG 2025 Biology test is going to be held in Computer-Based Test (CBT) mode by the National Testing Agency (NTA). The test will include multiple-choice questions (MCQs), and a particular scheme of marks is allotted.
| Particulars | Details |
|---|---|
| Exam Mode | Computer-Based Test (CBT) |
| Exam Duration | 45 minutes |
| Total Questions | 50 questions |
| Question Type | Multiple-choice questions (MCQs) |
| Total Marks | 200 |
| Marking Scheme | (+5) for each correct answer |
| Negative Marking | (-1) for each incorrect answer |
| Syllabus Coverage | Based on NCERT Class 12 Biology |
| Medium of Exam | Available in multiple languages |
Check, the latest updates related to CUET 2025:
CUET UG 2025 Biology Topic-Wise Weightage
The CUET UG 2025 Biology exam includes 5 large units according to the NCERT Class 12 syllabus. All units have varying weightage, and studying high-weightage topics can lead to maximum scores.
The following are the topic-wise weightage tables for CUET Biology 2025:
Reproduction Topic-wise Weightage
| Topics | Expected Weightage (%) | Expected No. of Questions |
|---|---|---|
| Reproduction in Organisms | 3-5% | 2-3 |
| Sexual Reproduction in Flowering Plants | 5-7% | 3-4 |
| Human Reproduction | 4-5% | 2-3 |
| Reproductive Health | 3-4% | 2-3 |
| Total for Reproduction | 15-20% | 8-10 |
Genetics and Evolution Topic-wise Weightage
| Topics | Expected Weightage (%) | Expected No. of Questions |
|---|---|---|
| Principles of Inheritance and Variation | 8-10% | 4-5 |
| Molecular Basis of Inheritance | 7-9% | 3-4 |
| Evolution | 5-6% | 3-4 |
| Total for Genetics & Evolution | 20-25% | 10-12 |
Biology and Human Welfare Topic-wise Weightage
| Topics | Expected Weightage (%) | Expected No. of Questions |
|---|---|---|
| Human Health and Disease | 5-6% | 2-3 |
| Strategies for Enhancement in Food Production | 5-6% | 2-3 |
| Total for Biology & Human Welfare | 10-12% | 5-6 |
Biotechnology and Its Applications Topic-wise Weightage
| Topics | Expected Weightage (%) | Expected No. of Questions |
|---|---|---|
| Biotechnology – Principles & Processes | 7-9% | 3-4 |
| Biotechnology and Its Applications | 7-9% | 3-4 |
| Total for Biotechnology | 15-18% | 7-9 |
Ecology and Environment Topic-wise Weightage
| Topics | Expected Weightage (%) | Expected No. of Questions |
|---|---|---|
| Organisms and Populations | 5-6% | 2-3 |
| Ecosystem | 5-6% | 2-3 |
| Biodiversity and Conservation | 4-5% | 2-3 |
| Environmental Issues | 4-5% | 2-3 |
| Total for Ecology & Environment | 18-22% | 8-10 |
What is the syllabus of CUET for biology?
CUET UG 2025 Biology syllabus is designed according to the NCERT Class 12 syllabus and consists of five broad units: Reproduction, Genetics & Evolution, Biology & Human Welfare, Biotechnology & Its Applications, and Ecology & Environment.
The syllabus focuses on core biological principles and their practical applications.
CUET Biology Syllabus 2025 – Overview
| Unit Name | Key Topics Covered |
|---|---|
| Reproduction | Human Reproduction, Reproductive Health, Flowering Plants |
| Genetics & Evolution | Principles of Inheritance, DNA & RNA, Evolution Theories |
| Biology & Human Welfare | Human Diseases, Immunity, Food Production Strategies |
| Biotechnology & Applications | Genetic Engineering, Bioprocesses, Cloning, GMOs |
| Ecology & Environment | Ecosystem, Biodiversity, Environmental Issues |
How many marks is biology in CUET?
The CUET UG 2025 Biology examination is held for a total of 200 marks. It contains 50 multiple-choice questions (MCQs), and the candidates are required to attempt 40 questions. The marking pattern consists of +5 marks for a correct response and -1 marks for an incorrect response.
CUET Biology Marking Scheme 2025
| Particulars | Details |
|---|---|
| Total Questions | 50 (Attempt any 40) |
| Total Marks | 200 |
| Marks per Correct Answer | +5 |
| Negative Marking | -1 for each wrong answer |
| Unattempted Questions | No marks deducted |
CUET 2025 Biology Important Topics
The CUET UG 2025 Biology exam is NCERT Class 12 based, with emphasis on Genetics, Ecology, Biotechnology, and Reproduction. Knowledge of high-weightage topics can help students prioritize the preparation effectively.
Reproduction Important Topics
| Topics | Key Concepts to Focus On |
|---|---|
| Reproduction in Organisms |
|
| Sexual Reproduction in Flowering Plants |
|
| Human Reproduction |
|
| Reproductive Health |
|
Genetics & Evolution Important Topics
| Topics | Key Concepts to Focus On |
|---|---|
| Principles of Inheritance & Variation |
|
| Molecular Basis of Inheritance |
|
| Evolution |
|
Biology & Human Welfare Important Topics
| Topics | Key Concepts to Focus On |
|---|---|
| Human Health & Disease |
|
| Strategies for Food Production |
|
Biotechnology & Its Applications Important Topics
| Topics | Key Concepts to Focus On |
|---|---|
| Biotechnology – Principles & Processes |
|
| Biotechnology & Its Applications |
|
Ecology & Environment Important Topics
| Topics | Key Concepts to Focus On |
|---|---|
| Organisms & Populations |
|
| Ecosystem |
|
| Biodiversity & Conservation |
|
| Environmental Issues |
|
Can a PCB Student Give CUET?
Yes, a PCB (Physics, Chemistry, Biology) student can attempt CUET UG 2025 and apply for different undergraduate courses in medicine, life sciences, agriculture, and allied sciences.
CUET allows candidates to opt for certain subjects, PCB students will be able to choose Biology, Chemistry, and Physics without mathematics.
Courses PCB Students Can Apply for Through CUET
| Stream | Popular Courses |
|---|---|
| Medical & Allied Sciences | B.Sc. Nursing, BPT, B.Pharm, BDS, BAMS, BHMS |
| Life Sciences & Biotechnology | B.Sc. in Microbiology, Biochemistry, Biotechnology |
| Agricultural Sciences | B.Sc. Agriculture, Forestry, Environmental Science |
| Psychology & Research | B.Sc. Psychology, Neuroscience |
| Paramedical & Allied Health | B.Sc. Radiology, Medical Lab Technology, Nutrition |
Is NCERT enough for CUET?
Yes, NCERT is the major reference for CUET UG 2025, particularly for topics such as Biology, Physics, and Chemistry.
As CUET follows the NCERT Class 12 syllabus, reading NCERT textbooks carefully is necessary. However, practice in MCQs, PYQs, and mock tests is also crucial to secure high marks.
CUET Biology 2025 Reduced Syllabus
The CUET UG 2025 Biology syllabus has been reduced, with certain topics from Unit-V: Ecology and Environment being deleted. The deletions are primarily on population interactions, abiotic factors, ecological succession, and nutrient cycles, lowering the content burden for students.
| Unit-V Ecology and Environment | |
|---|---|
| Chapter | Topics Excluded |
| Chapter-11: Organisms and Populations Population interactions |
|
| Chapter-12: Ecosystem Ecosystems |
|
How do I prepare for CUET biology?
To perform well in CUET UG 2025 Biology, practice the NCERT Class 12 syllabus, MCQs & PYQs, and keep revising regularly. A well-structured 2-month preparation strategy will ensure the covering of the syllabus properly with enhanced speed and accuracy.
2-Month CUET Biology Preparation Strategy
| Weeks | Target Topics | Study Plan & Practice |
|---|---|---|
| Week 1 | Reproduction (Plant & Human), Reproductive Health | Study NCERT in depth, practice major processes, and solve 100+ MCQs |
| Week 2 | Genetics & Evolution | Emphasize Mendelian inheritance, DNA replication, and practice PYQs |
| Week 3 | Biology & Human Welfare | Discuss human diseases, vaccines, and immunity; try to conduct mock tests |
| Week 4 | Biotechnology & Its Applications | Revise rDNA technology, GMOs, and cloning; resolve conceptual MCQs |
| Week 5 | Ecology & Environment (Only Included Topics) | Study environmental concerns, biodiversity, and conservation |
| Week 6 | Full Syllabus Revision | Attempt full-length mock tests and analyze weak areas |
| Week 7 | Solve 5-6 Previous Year Papers | Enhance speed and accuracy through solving previous CUET questions |
| Week 8 | Quick Revision & Final Mock Tests | Revised NCERT diagrams, formulas & practice 2-3 full mock tests |
CUET Biology Syllabus 2025
The CUET UG 2025 Biology syllabus follows NCERT Class 12 Biology and consists of 5 units. Each of the units focuses on key areas like reproduction, genetics, biotechnology, human welfare, and ecology.
Unit I: Reproduction
This unit addresses the different modes of reproduction in organisms, such as asexual and sexual reproduction. It describes the reproductive systems of plants and human beings, fertilization, embryo formation, and reproductive health.
| Chapter | Sub-Topics | Detailed Explanation (Brief) |
|---|---|---|
| Reproduction in Organisms |
| Covers various types of reproduction, their significance, and the cycle of reproduction of organisms. |
| Sexual Reproduction in Flowering Plants |
| Emphasizes flower structure, fertilization, seed formation, and fruit development. |
| Human Reproduction |
| Describes spermatogenesis, oogenesis, fertilization, and embryonic development. |
| Reproductive Health |
| covers methods of family planning, sexually transmitted infections, and assisted reproductive technology. |
Unit II: Genetics & Evolution
This unit covers inheritance patterns, molecular genetics, and the evolutionary process. It encompasses Mendelian and non-Mendelian inheritance, DNA structure and replication, gene expression, and evolutionary theories.
| Chapter | Sub-Topics | Detailed Explanation (Brief) |
|---|---|---|
| Principles of Inheritance & Variation |
| Includes laws of inheritance, linkage & recombination, and genetic disorders such as hemophilia & Down syndrome. |
| Molecular Basis of Inheritance |
| Emphasizes DNA structure, gene expression, and genetic information transfer. |
| Evolution |
| Covers Darwin's and Lamarck's hypotheses, adaptive radiation, and natural selection. |
Unit III: Biology & Human Welfare
This unit examines how biological developments lead to human health and enhanced food production. It covers subjects like disease prevention, vaccination, immunity, and the use of microbes in food processing and medicine.
| Chapter | Sub-Topics | Detailed Explanation (Brief) |
|---|---|---|
| Human Health & Disease |
| Describes how the immune system combats disease, the function of vaccines, and reasons for drug addiction. |
| Strategies for Food Production |
| Includes breeding methods for high-yielding crops, microbial use in dairy, and antibiotics. |
Unit IV: Biotechnology & Its Applications
This unit deals with biotechnology concepts, genetic engineering, and their medical and agricultural applications. Subject matter includes gene cloning, recombinant DNA technology, genetically modified organisms (GMOs), and biotechnological breakthroughs in healthcare.
| Chapter | Sub-Topics | Detailed Explanation (Brief) |
|---|---|---|
| Biotechnology: Principles & Processes |
| includes methods such as cloning vectors, gene transfer, and DNA extraction. |
| Biotechnology & Its Applications |
| focuses on uses in business (biofuels, bioplastics), medical (gene therapy), and agriculture (Bt crops). |
Unit-V Ecology and Environment
This unit covers ecosystems, biodiversity, conservation of the environment, and pollution. It describes how organisms relate to their environment, conservation measures, and how human activities affect the ecosystem.
| Chapter | Sub-Topics | Detailed Explanation (Brief) |
|---|---|---|
| Organisms & Populations |
| Describes biotic & abiotic factors, species interactions, and adaptations of the environment. |
| Biodiversity & Conservation |
| Covers biodiversity threats and conservation strategies such as wildlife sanctuaries & national parks. |
| Environmental Issues |
| Talks about pollution causes, impacts of climate change, and environmentally friendly waste management. |
Best Books for CUET 2025 Biology
A good understanding of NCERT Class 12 Biology is needed for CUET UG 2025. But for more practice and understanding of concepts, students can look at other reference books that have MCQs, detailed explanations, and past years' questions.
| Books | Author |
|---|---|
| NCERT Biology Class 11 & 12 | NCERT |
| Trueman’s Elementary Biology Vol. 1 & 2 | K.N. Bhatia, M.P. Tyagi |
| Dinesh Objective Biology | K.N. Bhatia, K. Bhatia |
| Pradeep’s Objective Biology | P.S. Dhami, G. Chopra |
| Biology at Your Fingertips | Rahul Chawla |
| MTG NCERT at Your Fingertips – Biology | MTG Editorial Board |
| 40 Days Biology for NEET & CUET | S. Chakravarty |
| Arihant CUET Biology Guide | Arihant Experts |
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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